| As the chromophoric part of the molecule is inserted deeper in the membrane, singlet oxygen is produced by photosensitization at a greater depth. |
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| The search for new compounds with potential photosensitization activity for biological systems is relevant to the science of photobiology. |
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| Thus it appears that PHP-mediated cytotoxicity proceeds through both membrane and mitochondrial photosensitization. |
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| The comet assay shows that extensive DNA damage is created even when initial photosensitization events are extranuclear. |
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